/Engine/Source/Runtime/Engine/Classes/Animation/AnimInstance.h
Get PlayRate for Montage. This does not account for RateScale, so it may not reflect the actual play rate seen in game (see Montage_GetEffectivePlayRate). If Montage reference is NULL, PlayRate for any Active Montage will be returned. If Montage is not playing, 0 is returned.
float Montage_GetPlayRate ( const [UAnimMontage](API\Runtime\Engine\Animation\UAnimMontage) * Montage ) const